Download Ch 7 Focal Poster

Chapter 7 Focal Poster (Equations)
Remember always to
CHECK YOUR WORK!!!
Step 1: Identify the variable.
Variable- the unknown number in the problem, it’s
what you are solving for

Take your answer and
plug it back in to check
your work.
It can be any letter, NOT just X or Y.
Step 2: Determine what operation is
being used in the problem.
(x, ÷, +, or -)
Step 3: Do the OPPOSITE operation
to BOTH sides of the = sign
to solve. Using the inverse
operation will undo the problem and
allow you to work backwards to get
the variable by itself!
The property describes the
inverse operation used to
solve.
 Addition Property of
Equality
 Subtraction Property
of Equality
 Division Property of
Equality
 Multiplication Property
of Equality
Ch 7 Vocabulary
Equation
Equals Sign
Solve
Solution
Inverse Operations
Subtraction Property of Equality
Addition Property of Equality
Division Property of Equality
Multiplication Property of Equality